html {
  font-size: 10vw;
}
@media (min-width: 430px) {
  html {
    font-size: 16px;
  }
}
body, #root {
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
  background: #181818;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}
